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学习六-吾王z的博客-51CTO博客
source link: http://blog.51cto.com/13583139/2066112
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相对路径和绝对路径查看用户所在的当前位置pwd相对路径就是从用户当前位置或指定的一个位置开始到目标位置的路径绝对路径就是从/开始到目标位置的路径cd命令cd切换目录changedirectorycd命令参数,"cd-"进入上一次所在目录~参数，"cd~"表示切换到用户home目录只输入"cd"或者“cd.”,进入用户当前home目录下..
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